Science :: :: Space Exploration

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Archimedes Screw Pump
Acid Rain
Rising Water
What's pushing it up?
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Heavy Finger
Space Exploration - 33
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The Flame Stays Down
Space Exploration - 31
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Candle in the Wind
Space Exploration - 29
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Air Pressure
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Bubbling Egg
Space Exploration - 18
Marbles in Glass
Experiment Wth A Potato
Worm Light, Glows Bright!
Plastic in, not out!
Car like you!
Tenant Happy, Landlord Happy!
The Rusting Nail
Make Silk Gandhi’s Way!
The Friendly Paper Producer!
Doctor Potato!
Sweet Power!
No Hope For Dope!
Kill A Bug With A Bug!
Plant A Tree, Run Machines !
Leaping Grains
The Punch Back Plant Pack!
The Knowall Atlas
Futuristic Plastic
Bloodsuckers Doom
Sleeping enough?
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Space Exploration- 3
Liver Spots
Space Exploration - 2
Inflating Balloon
Space Exploration: 1
Lactose-Intolerancy
Vast Universe
Death of a Star
What Is A Heart Attack?
Extra Solar Planet
Forrest Bird’s Respirator
How we cry
Heat Resistant Balloon
Chewing Gum
Space Wanderers
Is There a Truth Drug?
Mission Mars
Mysterious Planet
What is Dialysis?
Reducing Pressure
Big Moon
What is Angioplasty?
Scientists Need Your Help!
Ice Melts Under Pressure
The Floating Balloon
Sir Isaac Newton
Cauliflower ear
Zeolites
Windshield wiper
Memory
Dancing Coin
The rainbow formation
White Dwarfs
Galileo’s final mission
Band aid
Elastin
Hippocrates
Coin Reappears
Io – Jupiters volcanic moon
CAT scans – good or evil ?
Bar code
Its melanin again!
Joseph Lister
Spinning Spiral
A drug reborn
Hot air balloons
Rene Theophile Hyacinthe Laennec
How a tendon got its name
Measuring Heat
The Eye of Heaven
Cure for The Common Cold?
The First Steam Engine
Freeze Drying
Samuel Morse
Life on Earth and beyond
Sticky business
Johannes Kepler
Sunspots
The laughter workout
Scuba
The Great Bear
Carl Linnaeus
Safety pin
Mars-Once Again!
Sun and Skin
The 3D Effect
Surface Tension
Poison Dart Frog
Artificial satellites
Food Preservation
Computer viruses
Robert Hooke
Heavyweight Paper
Spacesuit
Gene Therapy
The yawn yarn
Indian Dinosaur discovered
Niels Bohr
Fountain pen
Tell Tails
Throwing out Water
Candle In The Bottle
Sparks of genius
Charles Darwin
Sweat it out!
Drifting Matchsticks
Air Power
Funnel Problem
Something In The Glass
Hard Straw
Cure for Malaria
Animalcules Discovered
Penicillin Discovered
Insulin Isolated
Changing Buoyancy
The Moons of Mars
The Riddle of Tunguska
Life on Europa?
What is a Fireball?
The Big Bang Theory
ECG
Spin Drier
Super Glue
Michael Faraday
Charles Goodyear
Eccelenza Fermi
Thomas Alva Edison
Doing Without Sleep
The Phantom Limb
Athlete's Foot
Liver
Spleen
Heart
Saliva
Stephen Hawking
SARS Under Control
Mission on Mars
Motion Camouflage
Heart Transplant
Hair Driers
Microwave Oven
Shrinking Balloon
The Wonder Drug
Galle's Luck
Heavenly Stone
By Jove! It's Galileo Again!
Ida's Moon
Bee Sting Therapy
The Pearly Spot
Archimedes
Louis Pasteur
Hypothalamus
Alfred Nobel

Space Exploration - 17

Another Triumph for the Russians

The success of Shepard and Grissom’s hops into space boosted American morale, and NASA began making preparations to launch a man into orbit atop an Atlas rocket. But on 6 August, 1961, the Soviet Union sprang another surprise on the Americans: it put another man into orbit and this cosmonaut made, not one, but 17 orbits around Earth, in a flight lasting over a day.
The cosmonaut was 26-year-old Gherman Titov, and the name of his spacecraft was Vostok 2.
Titov ate, worked and slept in orbit, and unlike Yuri Gagarin on Vostok 1, took manual control of the spacecraft for a short while. He also took pictures of Earth with a movie camera. A Soviet official commented: “Gagarin was the first to fly in space, but Titov was the first to live there.”
One of the problems of staying in space for a long time surfaced during Titov’s flight: he experienced space sickness. He brought up whatever he ate, and he felt nauseous every time he turned his head. It was a sickness brought about by weightlessness, and it was a problem that space travellers would face for decades afterwards. However, Titov’s flight showed that man could withstand long periods of weightlessness.
During re-entry the instrument module of Vostok remained attached to the re-entry vehicle by straps, and Titov went through the same ordeal that Gagarin had done till the heat of friction burned the straps separating the two modules. Titov ejected from the capsule and descended by parachute, landing perilously close to a railway line on which a train was running at that time.
His flight had lasted 25 hours and 18 minutes.

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